Very innovative and useful gadget in modern day food pattern and I am sure that it has a capability of calculating the sum of ingredients that we have taken for the day. But I feel that the price is not in the frame of affordability, it is almost same price of the smart phone.

Shehan it is not necessarily have the direct sunlit to generate a small current for this kind of system. I am pretty sure that normal day light will do the needful. But my problem is what happen to thee night time?

I can't think of a solar powered device in my eye. I wonder how it really picks up light as we never look at the sunlight directly. Does it have a method to store the power generated for use at dark hours of the day?

@Lauren – Wow, thanks for sharing the great gadgets. I love the Smart Contact lenses that measure the glucose levels. I wish it could have had a HUD (heads up display) so that you could see more information of the food before you consume.

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